<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>vue讲解</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
</head>
<body>
<div>
    <h1>Hello, {{name}}</h1>
</div>
<div id="first">
    <h1>Hello, {{name}}</h1>
</div>
 
<script type="text/javascript">
    new Vue({
        el:'#first',
        data:{
            name:"world",
        }
    })
</script>
</body>
</html>